{"id":8763,"date":"2024-10-07T12:11:59","date_gmt":"2024-10-07T19:11:59","guid":{"rendered":"https:\/\/www.dognmonkey.com\/techs\/?p=8763"},"modified":"2024-10-07T12:11:59","modified_gmt":"2024-10-07T19:11:59","slug":"fix-coffee-lake-dim-backlight-on-sonoma-and-sequoia","status":"publish","type":"post","link":"https:\/\/www.dognmonkey.com\/techs\/fix-coffee-lake-dim-backlight-on-sonoma-and-sequoia.html","title":{"rendered":"Fix Coffee Lake Dim Backlight On Sonoma and Sequoia"},"content":{"rendered":"<p><em>The Coffee Lake IGPU was broken since Sonoma and Sequoia. The symptom is booting up to a dimmed backlight. If put it to sleep then wake, it will come back with full brightness backlight or wait for about 3 minutes it will come back full brightness.<\/em><\/p>\n<p><em>Thanks to hackintosh community, I found the <a href=\"https:\/\/github.com\/acidanthera\/WhateverGreen\/pull\/113\" target=\"_blank\" rel=\"noopener\">fix here<\/a>.<\/em><\/p>\n<p><em>There are 2 things we need to do, <strong>the boot arg add -igfxblt and -igfxbrs, the igpu device properties add enable-backlight-registers-fix to 1 and enable-backlight-smoother to 1.<\/strong><\/em><\/p>\n<p><em>Reboot and it will fix the backlight problem.<\/em><\/p>\n<div class=\"igallery\">\n<p style=\"text-align: center;\"><a title=\"boot arg\" href=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/z_boot_arg.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-8761\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/z_boot_arg-200x64.jpg\" alt=\"boot Arguments\" width=\"200\" height=\"64\" \/><\/a> <a title=\"device properties\" href=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/z_device_prop.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-thumbnail wp-image-8760\" src=\"https:\/\/www.dognmonkey.com\/techs\/wp-content\/uploads\/z_device_prop-200x112.jpg\" alt=\"device properties\" width=\"200\" height=\"112\" \/><\/a><\/p>\n<\/div>\n<div class=\"youtube-player\" data-id=\"RWf9vAvk0Ag\"><\/div>\n<ul class=\"lcp_catlist\" id=\"lcp_instance_0\"><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Coffee Lake IGPU was broken since Sonoma and Sequoia. The symptom is booting up to a dimmed backlight. If put it to sleep then wake, it will come back with full brightness backlight or wait for about 3 minutes it will come back full brightness. Thanks to hackintosh community, I found the fix here. <a href=\"https:\/\/www.dognmonkey.com\/techs\/fix-coffee-lake-dim-backlight-on-sonoma-and-sequoia.html\" class=\"more-link\">&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":8760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1387,1659,1655,79,1656,1684,1685],"class_list":["post-8763","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hackintosh","tag-backlight","tag-coffee-lake","tag-dell-latitude-5401","tag-hackintosh","tag-i7-9850h","tag-macos-sequoia","tag-macos-sonoma"],"views":535,"_links":{"self":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/8763","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/comments?post=8763"}],"version-history":[{"count":1,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/8763\/revisions"}],"predecessor-version":[{"id":8764,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/posts\/8763\/revisions\/8764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/media\/8760"}],"wp:attachment":[{"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/media?parent=8763"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/categories?post=8763"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dognmonkey.com\/techs\/wp-json\/wp\/v2\/tags?post=8763"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}